<template>
    <n-scrollbar x-scrollable style="max-height: 100vh">
        <CommonPage>
            <div>
                <n-form ref="form"
                    :model="searchCondition"
                    label-placement="left"
                    label-align="right"
                    label-width="80px"
                    :show-require-mark="false">
                    <div>
                        <div class="grid md:flex md:flex-wrap md:gap-x-1">
                            <n-form-item>
                                <label style="width: 60px;">用户名：</label>
                                <n-input v-model:value="searchCondition.name" clearable placeholder="输入用户名" style="width: 170px;"/>
                            </n-form-item>
                            <n-form-item>
                                <n-button style=" margin-left: 10px"
                                          type="primary"
                                          @click="searchByCondition">
                                    筛选
                                </n-button>
                            </n-form-item>
                            <n-form-item>
                                <n-button style="margin-left: 10px"
                                          type="error"
                                          @click="deleteSelectCustomer">
                                    批量删除
                                </n-button>
                            </n-form-item>
                            <n-form-item>
                                <n-button style="margin-left: 10px" type="primary" @click="showForm = true">
                                    添加客户
                                </n-button>
                            </n-form-item>
                            <n-form-item style="margin-left: 10px">
                            <n-button @click="exportListInfo"
                                      type="primary">
                              导出
                            </n-button>
                          </n-form-item>
                        </div>
                    </div>
                </n-form>
                <AddCustomerForm :onClose="handleClose" :show="showForm" @update-page="searchByCondition"/>
              <UpdateCustomerForm
                  :show1="showForm1"
                  :onClose="handleClose"
                  :customer="currentCustomer"
                  @update-page="searchByCondition"
              />
                <n-data-table
                    ref="table"
                    :columns="columns"
                    :data="customerList"
                    :loading="loading"
                    :pagination="paginationReactive"
                    :row-key="rowKey"
                    :scroll-x="900"
                    :single-line="false"
                    remote
                    @update:checked-row-keys="handleCheck"
                />
            </div>
        </CommonPage>
    </n-scrollbar>
</template>

<script setup>
import {onMounted, reactive, ref} from 'vue'
import api from '@/api/admin';
import {useUserStore} from '@/store';
import {useRouter} from 'vue-router';
import {formatDate} from "@/utils";
import AddCustomerForm from './components/customer-add.vue';
import CustomerActions from "@/views/admin/category/components/category-actions.vue"
import UpdateCustomerForm from './components/customer-edit.vue'

const showForm = ref(false);
const showForm1 = ref(false);
const searchCondition = ref({
  name: '',
});
const handleClose = () => {
    showForm.value = false;
  showForm1.value = false;
};
const userStore = useUserStore()
const router = useRouter()
const loading = ref(true)
const customerList = ref([])
const range = ref(null)
const checkedRowKeysRef = ref([]);
const handleCheck = (rowKeys) => {
    checkedRowKeysRef.value = rowKeys;
}
const currentCustomer = ref(null);
const columns = [
    {
        type: 'selection',
        fixed: 'left',
    },
    {
        key: 'colId',
        title: '序号',
        width: 60,
    },
    {
        key: 'username',
        title: '用户名',
        width: 100,
    },
    {
        key: 'name',
        title: '姓名',
        width: 100,
    },
    {
        key: 'phone',
        title: '联系电话',
        width: 100,
    },
    {
        key: 'nation',
        title: '国家',
        width: 100,
    },
    {
        key: 'address',
        title: '地址',
        width: 100,
    },
    {
        key: 'operation',
        title: '操作',
        width: 100,
        render(row) {
            return h(
                CustomerActions,
                {
                    onClickEdit: () => onEditCustomer(row),
                    onClickDelete: () => onDeleteCustomer(row),
                }
            );
        }
    },


]
let total = 0
const paginationReactive = reactive({
    page: 1,
    pageSize: 50,
    showSizePicker: true,
    pageSizes: [50, 100, 150],
    itemCount: 0,
    prefix: () => {
        return '查询出 ' + total + '条记录';
    },
    onChange: (page) => {
        paginationReactive.page = page;
        queryByPage()
    },
    onUpdatePageSize: (pageSize) => {
        paginationReactive.pageSize = pageSize;
        paginationReactive.page = 1;
        queryByPage()
    }
});

const deleteSelectCustomer = () => {
    if (checkedRowKeysRef.value.length <= 0) {
        $message.error("当前并未选择客户！")
        return
    }
    $dialog.confirm({
        title: '警告',
        content: '您确定删除当前所选客户？',
        positiveText: '确定',
        negativeText: '取消',
        onPositiveClick: async () => {
            const ids = checkedRowKeysRef.value.join(",")
            loading.value = true
            try {
                const res = await api.deleteCustomers({params:{ids}})
                if (res.code === 200) {
                    $message.success("删除所选客户成功！")
                    // await queryByPage()
                    await searchByCondition()
                } else {
                    $message.error(res.message)
                }
            } catch (err) {
                $message.error("删除所选客户失败！")
            } finally {
                loading.value = false
            }
        },
    })
}
const searchByCondition = async () => {
  loading.value = true
  try {
    paginationReactive.page = 1;
    const res = await api.findPageCustomer({
      params: {
        username:searchCondition.value.name,
        pageNum: paginationReactive.page,
        pageSize: paginationReactive.pageSize,
      }
    })
    if(res.code === 200) {
      total = res.data.total
      paginationReactive.itemCount = total
      const baseCount = (paginationReactive.page - 1)*paginationReactive.pageSize
      customerList.value = res.data.records.map((item,i)=>{
        return {...item,
          colId: baseCount + i + 1,
        }
      })
      console.log(customerList.value)
    }
    else {
      $message.error(res.message)
    }
  } catch (err) {
    $message.error("查询客户失败！")
  }finally{
    loading.value = false
  }
}
const onDeleteCustomer = async (Customer) => {
    $dialog.confirm({
        title: '警告',
        content: '您确定删除当前客户？',
        positiveText: '确定',
        negativeText: '取消',
        onPositiveClick: async () => {
            const {id} = Customer
            loading.value = true
            try {
                const res = await api.deleteCustomer({id})
                if (res.code === 200) {
                    $message.success("删除客户成功！")
                    // await queryByPage()
                    await searchByCondition()
                } else {
                    $message.error(res.message)
                }
            } catch (err) {
                $message.error("删除客户失败！")
            } finally {
                loading.value = false
            }
        }
    })
}
const onEditCustomer = async (customer) => {
  const {id} = customer
  showForm1.value=true;
  currentCustomer.value = customer;
}
const queryByPage = async () => {
    loading.value = true
    try {
        const res = await api.findPageCustomer(
            {params:{
                pageNum: paginationReactive.page,
                pageSize: paginationReactive.pageSize,
              }
            })
        if (res.code === 200) {
            total = res.data.total
            paginationReactive.itemCount = total
            customerList.value = res.data.records.map((item, i) => {
                return {
                    ...item,
                    colId: i + 1
                }
            })
            $message.success("获取客户成功！")
        } else {
            $message.error(res.message)
        }
    } catch (err) {
        $message.error("获取客户失败！")
    } finally {
        loading.value = false
    }
}
const exportListInfo = async () => {
  const res = await api.exportCustomerList({
    name: searchCondition.value.name,
  });
  const contentDisposition = res.headers["content-disposition"]
  let original_fileName = ""
  if(contentDisposition) {
    const uri = res.headers["content-disposition"].split("=")[1]
    original_fileName = window.decodeURI(uri)
  }
  const blob = new Blob([res.data], {type: "application/vnd.ms-excel"});
  if(window.navigator && window.navigator.msSaveOrOpenBlob) {
    window.navigator.msSaveOrOpenBlob(blob, original_fileName);
  } else{
    const fileName = original_fileName;
    const elink = document.createElement('a')
    document.body.appendChild(elink)
    elink.download= fileName;
    elink.style.display ="none"
    elink.href  = window.URL.createObjectURL(blob)
    elink.click()
    window.URL.revokeObjectURL(elink.href)
    document.body.removeChild(elink)
  }
}
const rowKey = (rowData) => {
    return rowData.id
}
onMounted(() => {
    queryByPage()
})
</script>
<style scoped>
:deep(.n-data-table-th__title),
:deep(.n-data-table-td) {
    text-align: center;

}

:deep(.n-select) {
    width: 140px !important;
}

:deep(.two-line-description) {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2; /* 控制显示的行数 */
    overflow: hidden;
}

</style>